Herbivores. The eat directly from the producers. 10% of the producer's energy goes to herbivores, while only 10% of the 10% energy the herbivores had goes to carnivores.
Meiosis is the cell replication of gametes (sex cells).
a chemical reaction plants use to create food
Life and death are complex things. Life is the existence of something and death is the end. They go hand in hand. Without one you cannot have the other. To live means to die and to die means you have lived.
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Theories are educated guests that are tested by experiments